NO. 10 



SMITHSONIAN EXPLORATH)NS, I923 



21 



Fig. 26. — Typical desert view along Overland Trail in Steptoe Valley, 

 Neva.da, showing flood water after a storm. (Photograph by Resser.) 



Fk;. 27. — Early morning picture of the Smithsonian camp in Blacksmith 

 Fork Canyon, known for the excellent section studied here by Dr. Walcott. 

 (Photograph by Resser.) 



